peter bassill · operator
$ cve CVE-2021-41749 JSON

CVE-2021-41749

9.8
CRITICAL · CVSS 3.1 · EPSS 18.1% (pctl 97)

Patch early

EPSS 18.1% — above the 10% action threshold.

Description

In the SEOmatic plugin up to 3.4.11 for Craft CMS 3, it is possible for unauthenticated attackers to perform a Server-Side Template Injection, allowing for remote code execution.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS18.12% — more likely to be exploited than 97% of all CVEs
WeaknessCWE-94
On CISA KEVno
Public exploitnone known
Published2022-06-12
Last modified2026-06-17

Affected (1)

VendorProduct
nystudio107seomatic

References

→ the Explorer  ·  watch your stack  ·  NVD